From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1SHJpg-00042N-D9 for kexec@lists.infradead.org; Mon, 09 Apr 2012 19:00:57 +0000 Date: Mon, 9 Apr 2012 15:00:10 -0400 From: Vivek Goyal Subject: Re: makedumpfile memory usage grows with system memory size Message-ID: <20120409190010.GI1645@redhat.com> References: <20120402164651.6c2b1ae7.kumagai-atsushi@mxc.nes.nec.co.jp> <20120405.155211.347142878.d.hatayama@jp.fujitsu.com> <20120405143439.GA23999@redhat.com> <20120406.101212.193682065.d.hatayama@jp.fujitsu.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20120406.101212.193682065.d.hatayama@jp.fujitsu.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: HATAYAMA Daisuke Cc: dzickus@redhat.com, oomichi@mxs.nes.nec.co.jp, kumagai-atsushi@mxc.nes.nec.co.jp, kexec@lists.infradead.org On Fri, Apr 06, 2012 at 10:12:12AM +0900, HATAYAMA Daisuke wrote: [..] > So now we can walk on the memmap array also for free pages like other > kinds of memory. The question I have now is why the current > implementation was chosen. Is there any difference between two ways? I don't know but I am guessing may be going through buddy allocator data structures is faster when there is tons of memory in the system and number of free pages is less. Thanks Vivek _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec